Intermediate-energy inverse-kinematics one-proton pickup reactions on neutron-deficient f p-shell nuclei
McDaniel, S, Gade, A, Tostevin, JA, Baugher, T, Bazin, D, Brown, BA, Cook, JM, Glasmacher, T, Grinyer, GF, Ratkiewicz, A and Weisshaar, D (2012) Intermediate-energy inverse-kinematics one-proton pickup reactions on neutron-deficient f p-shell nuclei PHYSICAL REVIEW C, 85 . ISSN 0556-2813
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Official URL: http://link.aps.org/doi/10.1103/PhysRevC.85.014610
Background: Thick-target-induced nucleon-adding transfer reactions onto energetic rare-isotope beams are an emerging spectroscopic tool. Their sensitivity to single-particle structure complements one-nucleon removal reaction capabilities in the quest to reveal the evolution of nuclear shell structure in very exotic nuclei. Purpose: Our purpose is to add intermediate-energy, carbon-target-induced one-proton pickup reactions to the arsenal of γ-ray-tagged direct reactions applicable in the regime of low beam intensities and to apply these for the first time to fp-shell nuclei. Methods: Inclusive and partial cross sections were measured for the 12C(48Cr,49Mn+γ)X and 12C(50Fe,51Co+γ)X proton pickup reactions at 56.7 and 61.2 MeV/nucleon, respectively, using coincident particle-γ spectroscopy at the National Superconducting Cyclotron Laboratory. The results are compared to reaction theory calculations using fp-shell-model nuclear structure input. For comparison with our previous work, the same reactions were measured on 9Be targets. Results: The measured partial cross sections confirm the specific population pattern predicted by theory, with pickup into high-ℓ orbitals being strongly favored, driven by linear and angular momentum matching. Conclusion: Carbon-target-induced pickup reactions are well suited, in the regime of modest beam intensity, to study the evolution of nuclear structure, with specific sensitivities that are well described by theory.
|Additional Information:||©2012 American Physical Society|
|Divisions:||Faculty of Engineering and Physical Sciences > Physics|
|Deposited By:||Symplectic Elements|
|Deposited On:||17 May 2012 11:10|
|Last Modified:||15 May 2013 14:33|
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